Titled "Watershed," it will feature an interview with a high-profile federal law enforcement agency, one that prompts Beckett to reconsider her future both professionally and personally. Uh-oh.
Based on the first photo posted below, should Castle be worried?
Elsewhere, the body of a young woman will be discovered floating inside the water tank of a skid row flop house, the first of many odd circumstances surrounding her demise.
Click through pictures from the season finale now: